FIGURE 6.
The effect of NAC on extracellular TGase activity in APC and reHPT tissue cultures. The effect of NAC on extracellular TGase activity was determined after incubating the tissues with the TGase substrate 5-(biotinamindo)-pentylamine for 16 h. Subsequently, the cross-linking of the substrate was visualized after streptavidin-FITC addition. A, extracellular TGase activity in the partially digested APC tissue culture. B, extracellular TGase activity in the partially digested reHPT culture.